Koch发现结核菌100年后的今天,发达国家的结核病流行情况是好的,而且将继续好转。这些国家的大多数,可望在下一世纪的前半段消灭结核病(有时还会有个别病例发生)。1980年少数国家所有类型的结核年发病率约为10/10万,其中半数结菌阳性。多数发达国家开放性肺结核的年发病率在10～20/10万之间,只有少数仍高达30/10万。发达国家近30年来由于执行了发现病人及化疗的结果,结核病的发病率每年下降约7～8%,加上自 Koch found 100 years after TB, the tuberculosis epidemic in developed countries is good and will continue to improve. Most of these countries are expected to eliminate tuberculosis in the first half of the next century (and sometimes individual cases will occur). In 1980, the annual incidence of all types of tuberculosis in a few countries was about 10 million, of which half were positive for tuberculosis. The annual incidence of open tuberculosis in most developed countries is between 10 and 20 per 100 000, with only a few still as high as 30 per 100 000. In the past 30 years in developed countries, as a result of the discovery of patients and chemotherapy, the incidence of tuberculosis dropped by about 7 to 8% annually,